11305649 has 2 divisors, whose sum is σ = 11305650. Its totient is φ = 11305648.

The previous prime is 11305643. The next prime is 11305681. The reversal of 11305649 is 94650311.

11305649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 2155024 = 3025^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 11305649 - 2¹² = 11301553 is a prime.

It is a super-2 number, since 2×11305649² = 255635398622402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11305643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652824 + 5652825.

It is an arithmetic number, because the mean of its divisors is an integer number (5652825).

Almost surely, 2^11305649 is an apocalyptic number.

It is an amenable number.

11305649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11305649 is an equidigital number, since it uses as much as digits as its factorization.

11305649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11305649 is about 3362.3873958841. The cubic root of 11305649 is about 224.4390900940.

The spelling of 11305649 in words is "eleven million, three hundred five thousand, six hundred forty-nine".